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378040377 = 311134121493
BaseRepresentation
bin10110100010000…
…111000000111001
3222100100102220110
4112202013000321
51233234243002
6101302414533
712240201351
oct2642070071
9870312813
10378040377
11184437370
12a6731449
1360423240
14382c9b61
15232c6e6c
hex16887039

378040377 has 32 divisors (see below), whose sum is σ = 606646656. Its totient is φ = 206323200.

The previous prime is 378040367. The next prime is 378040409. The reversal of 378040377 is 773040873.

It is not a de Polignac number, because 378040377 - 27 = 378040249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (378040337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6843 + ... + 28335.

It is an arithmetic number, because the mean of its divisors is an integer number (18957708).

Almost surely, 2378040377 is an apocalyptic number.

It is an amenable number.

378040377 is a deficient number, since it is larger than the sum of its proper divisors (228606279).

378040377 is a wasteful number, since it uses less digits than its factorization.

378040377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 378040377 is about 19443.2604518892. The cubic root of 378040377 is about 723.0684228635.

The spelling of 378040377 in words is "three hundred seventy-eight million, forty thousand, three hundred seventy-seven".

Divisors: 1 3 11 13 33 39 41 123 143 429 451 533 1353 1599 5863 17589 21493 64479 236423 279409 709269 838227 881213 2643639 3073499 9220497 9693343 11455769 29080029 34367307 126013459 378040377